Plate shape lock with high insured trirow bullet and fitted insurance comb and key thereof

Abstract

The present invention relates to a high-safety plate lock with three rows of balls and matched safety comb and its key. It is characterized by that on three directions in the lock core are mounted a row of eccentric flanged balls, a row of side balls and a row of selective balls, specially, on the row of eccentric flanged balls a matched safety comb is connected so as to raise its safety property. Said invention also provides the concrete structure and component composition of said plate lock.

Description

【Technical field】 [0001] The invention is a hardware lock, which is used for assembling automobiles, motorcycles, safes, safes and households and other high-insurance places to match locks, in particular to a high-insurance flat key lock with three rows of pins and safety combs and Keys belong to the hardware lock manufacturing industry. 【Background technique】 [0002] Mr. Chen Zhihe, a patent applicant in Zhongshan City, Guangdong Province, applied for a utility model patent on December 10, 2004, named "a high-security three-row key lock and key", and the patent number is 200420102222.6. The lock head has reasonable design, convenient manufacture, large amount of keys, anti-theft, anti-prying, and good safety performance. But the marble holes in this lock head are all on one side, and the key can only be inserted in one direction to unlock, which is not convenient enough. Therefore, after improving the utility model patent, a new application was filed on March 16, 2006, t...

AI Technical Summary

Problems solved by technology

But the pinholes in the lock head are all on one side, and the key can only be inserted in one direction to unlock, which is not convenient enough

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